本文实例为大家分享了iOS自定义选择框的具体代码,供大家参考,具体内容如下
效果图:
工程图:
代码:
RootViewController.h
# import & lt; UIKit/UIKit.h>
#进口“CYCustomMultiSelectPickerView.h”
@ interface RootViewController: ui
& lt; CYCustomMultiSelectPickerViewDelegate>
{
CYCustomMultiSelectPickerView * multiPickerView;
UILabel * pickLabel;
}
@end
之前
RootViewController.m
#进口“RootViewController.h”
@ interface RootViewController ()
@end
@ implementation RootViewController
- (id) initWithNibName:(NSString *) nibNameOrNil包:nibBundleOrNil (NSBundle *)
{
自我=[超级initWithNibName: nibNameOrNil包:nibBundleOrNil];
如果(自我){//自定义初始化
}
回归自我;
}
- (void) viewDidLoad
{
(超级viewDidLoad);//加载后任何额外设置视图。
self.title=@“ALPickerView”;
pickLabel=[[UILabel alloc] initWithFrame: CGRectMake (100、100、50)];
pickLabel。写成backgroundColor=[用户界面颜色orangeColor];
pickLabel.textAlignment=NSTextAlignmentCenter;
(自我。视图addSubview pickLabel):;
}//随意点击任意处,弹出选择框
- (void) touchesBegan: NSSet(*)触摸withEvent: UIEvent(*)事件
{
(自我initPickerView);
}
- (void) initPickerView
{
(UIView *视图self.view.subviews) {
如果([视图isKindOfClass: [CYCustomMultiSelectPickerView类]]){
(查看removeFromSuperview);
}
}
multiPickerView=[[CYCustomMultiSelectPickerView alloc] initWithFrame: CGRectMake (0, [UIScreen mainScreen] .bounds.size。身高- 260 - 20、320、260 + 44)];
multiPickerView。写成backgroundColor=[用户界面颜色clearColor];
multiPickerView。entriesArray=[NSMutableArray arrayWithObjects: @“一”@“两个”@“三”@“四”@“五”@“六”@“七”,nil);
multiPickerView。entriesSelectedArray=[NSMutableArray arrayWithObject: @“一”);
multiPickerView。multiPickerDelegate=自我;
(自我。视图addSubview multiPickerView):;
[multiPickerView pickerShow];
}
# pragma马克选择委托//点击确定要执行的操作
- (void) returnChoosedPickerString: selectedEntriesArr (NSMutableArray *)
{
NSLog (@“returnChoosedPickerString”);
NSMutableArray * newArray=[NSMutableArray数组);
(NSString * str selectedEntriesArr) {
[newArray addObject: str);
}
NSString * endStr=[newArray componentsJoinedByString: @”、“);
pickLabel.text=endStr;
}
- (void) didReceiveMemoryWarning
{
(超级didReceiveMemoryWarning);//处理任何资源都可以被重新创建。
}
@end
之前
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。
